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Cheap flights from Key West to Louisville from $173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Louisville departing on 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Key West to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:48 am - 5:01 pm
EYW
-
SDF
5h 13m
1 stop
Delta Logo
8:10 am - 12:27 pm
SDF
-
EYW
4h 17m
1 stop
$331Delta
Wed, May 13 - Mon, May 18
American Airlines Logo
3:58 pm - 12:25 am
EYW
-
SDF
8h 27m
2 stops
American Airlines Logo
9:43 am - 3:40 pm
SDF
-
EYW
5h 57m
1 stop
$336American Airlines
Wed, May 13 - Mon, May 18
American Airlines Logo
6:45 am - 4:05 pm
EYW
-
SDF
9h 20m
2 stops
American Airlines Logo
7:33 am - 4:30 pm
SDF
-
EYW
8h 57m
2 stops
$342American Airlines
Wed, May 13 - Mon, May 18
United Airlines Logo
3:52 pm - 10:30 pm
EYW
-
SDF
6h 38m
1 stop
United Airlines Logo
9:55 am - 4:42 pm
SDF
-
EYW
6h 47m
1 stop
$419United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
3:52 pm - 11:59 pm
EYW
-
SDF
8h 07m
1 stop
United Airlines Logo
5:00 am - 4:42 pm
SDF
-
EYW
11h 42m
2 stops
$424United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
2:49 pm - 11:59 pm
EYW
-
SDF
9h 10m
2 stops
United Airlines Logo
5:40 am - 4:02 pm
SDF
-
EYW
10h 22m
2 stops
$461United Airlines
Wed, May 13 - Mon, May 18
United Airlines Logo
3:52 pm - 10:30 pm
EYW
-
SDF
6h 38m
1 stop
United Airlines Logo
5:00 am - 3:57 pm
SDF
-
EYW
10h 57m
2 stops
$464United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
3:52 pm - 11:59 pm
EYW
-
SDF
8h 07m
1 stop
United Airlines Logo
5:00 am - 3:57 pm
SDF
-
EYW
10h 57m
2 stops
$496United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
5:23 pm - 9:10 am
EYW
-
SDF
15h 47m
2 stops
United Airlines Logo
5:00 am - 4:42 pm
SDF
-
EYW
11h 42m
2 stops
$592United Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
6:22 pm - 9:10 am
EYW
-
SDF
14h 48m
2 stops
United Airlines Logo
5:00 am - 3:57 pm
SDF
-
EYW
10h 57m
2 stops
$632United Airlines
Thu, Apr 16 - Mon, Apr 20

United Airlines flights from Key West to Louisville

Our best United Airlines deals on Key West to Louisville flight tickets
United Airlines
Apr 16
EYW3:52 pmKey West
6h 38m
1 stop
SDF10:30 pmLouisville Intl
Apr 20
SDF9:55 amLouisville Intl
6h 47m
1 stop
EYW4:42 pmKey West
$419
United Airlines
Apr 16
EYW3:52 pmKey West
8h 07m
1 stop
SDF11:59 pmLouisville Intl
Apr 20
SDF5:00 amLouisville Intl
11h 42m
2 stops
EYW4:42 pmKey West
$424
United Airlines
May 13
EYW2:49 pmKey West
9h 10m
2 stops
SDF11:59 pmLouisville Intl
May 18
SDF5:40 amLouisville Intl
10h 22m
2 stops
EYW4:02 pmKey West
$461

Delta flights from Key West to Louisville

Our best Delta deals on Key West to Louisville flight tickets
Delta
May 13
EYW11:48 amKey West
5h 13m
1 stop
SDF5:01 pmLouisville Intl
May 18
SDF8:10 amLouisville Intl
4h 17m
1 stop
EYW12:27 pmKey West
$331
Delta
Apr 14
EYW6:23 pmKey West
5h 36m
1 stop
SDF11:59 pmLouisville Intl
Apr 15
SDF1:00 pmLouisville Intl
6h 40m
1 stop
EYW7:40 pmKey West
$1,165

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Key West to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Wed 5/13

11:48 am-5:01 pm

1 stop5h 13m

Louisville Intl

Mon 5/18

8:10 am-12:27 pm

1 stop4h 17m

$331

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Wed 5/13

3:58 pm-12:25 am

2 stops8h 27m

Louisville Intl

Mon 5/18

9:43 am-3:40 pm

1 stop5h 57m

$336

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Wed 5/13

6:45 am-4:05 pm

2 stops9h 20m

Louisville Intl

Mon 5/18

7:33 am-4:30 pm

2 stops8h 57m

$342

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

3:52 pm-10:30 pm

1 stop6h 38m

Louisville Intl

Mon 4/20

9:55 am-4:42 pm

1 stop6h 47m

$419

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

3:52 pm-11:59 pm

1 stop8h 07m

Louisville Intl

Mon 4/20

5:00 am-4:42 pm

2 stops11h 42m

$424

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Wed 5/13

2:49 pm-11:59 pm

2 stops9h 10m

Louisville Intl

Mon 5/18

5:40 am-4:02 pm

2 stops10h 22m

$461

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

3:52 pm-10:30 pm

1 stop6h 38m

Louisville Intl

Mon 4/20

5:00 am-3:57 pm

2 stops10h 57m

$464

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

3:52 pm-11:59 pm

1 stop8h 07m

Louisville Intl

Mon 4/20

5:00 am-3:57 pm

2 stops10h 57m

$496

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

5:23 pm-9:10 am

2 stops15h 47m

Louisville Intl

Mon 4/20

5:00 am-4:42 pm

2 stops11h 42m

$592

Key WestLouisville

EYW - SDF

EYWSDF

Key West

Thu 4/16

6:22 pm-9:10 am

2 stops14h 48m

Louisville Intl

Mon 4/20

5:00 am-3:57 pm

2 stops10h 57m

$632

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Louisville from

How to get the cheapest flight ticket from Key West to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Key West to Louisville Intl?

Spirit Airlines, Allegiant Air, and Breeze Airways are the most popular carriers operating from Key West to Louisville Intl

When to book flights from Key West to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Key West to Louisville (EYW to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Louisville

Fastest flight time

5h 32m

Direct flights

None
The fastest flight from Key West to Louisville takes 5h 32m
There are no direct flights from Key West to Louisville. There are no popular flight routes from Key West to Louisville.
Search flight deals

  • How far is Key West to Louisville Intl by plane?

    Key West and Louisville Intl are 973.5 mi apart from one another. Flights usually cover this in 5h 32m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Key West Airport to Louisville Intl Airport?

    Prices for flights from Key West Airport to Louisville Intl Airport were last updated today.

  • How old do you have to be to fly from Key West Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Key West Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The necessary travel and health documents for your Louisville Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Bardstown
West Baden Springs
Jeffersonville
New Albany
Shepherdsville
Corydon
Brandenburg
Elizabeth
Charlestown
Springfield
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Key West to Louisville?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Key West to Louisville for you.

Can I find flights from Key West to Louisville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Louisville from Key West with this policy.

How can momondo help me find flights from Key West to Louisville?

momondo provides multiple filters to help you find the best flight to Louisville from Key West. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Key West to Louisville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Louisville from Key West. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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